TacMed IV Evaporative Cooling System (IVECS)
Power-free, reusable evaporative cooling pouch that keeps IV fluids safe in extreme heat.
What is the TacMed IVECS? A power-free, reusable IV fluid cooling pouch from Tactical Medical Solutions (SKU MEDTAC0412) that keeps IV bags at a safe temperature for up to 18 hours in extreme heat. It uses evaporative physics — not cold packs — accommodates both 500 mL and 1,000 mL IV bags, and can be converted into a pressure infuser with a standard blood pressure cuff. NSN 6515-01-530-7024.
Key Specifications
| Manufacturer | Tactical Medical Solutions (TacMed) |
| SKU | MEDTAC0412 |
| NSN | 6515-01-530-7024 |
| Cooling Method | Evaporative (water-to-gas phase change) — no power required |
| Cooling Duration | Up to 18 hours |
| Compatible Bags | 500 mL and 1,000 mL IV bags |
| Preparation | Soak pouch ~15 minutes before use |
| Pressure Infuser Conversion | Compatible with standard blood pressure cuff |
| Reusable | Yes |
| Tested Environment | USAMRMC tested at 54°C (130°F) / 5% humidity for 13.5 hours |
What It Is
Administration of IV fluids heated above 52.2°C (126°F) can damage tissue and red blood cells. In desert environments where ambient temperatures routinely exceed 54°C (130°F), IV bags stored on vehicles or in medical kits will quickly reach dangerous temperatures without active cooling. The TacMed IVECS addresses this with a power-free, evaporative cooling approach that requires nothing more than water and ambient airflow.
The IVECS operates on the physics of evaporation: water absorbed into the pouch material transitions from liquid to vapor, drawing heat energy from the IV bag in the process. This is not a heat-transfer system that requires a pre-chilled pack — the only preparation is soaking the pouch for roughly 15 minutes before inserting the IV bag. Field tests by USAMRMC (U.S. Army Medical Research & Materiel Command) demonstrated that a standard IV bag stored in the IVECS reached only 43.3°C (110°F) after 2.5 hours in a 54°C / 5% humidity environment with no wind, compared to a control bag that reached the 54°C ambient temperature in the same period. Over the 13.5-hour test, the IVECS bag peaked at 50°C — four degrees below the recommended maximum temperature for IV fluid administration.
As a dual-function device, the IVECS can also serve as a pressure infuser: wrapping a standard blood pressure cuff around the outside of the fluid-filled IVECS allows pressurized infusion when gravity-drip rates are insufficient. This versatility makes it a valuable addition to any austere-environment medical kit where fluid temperature management and rapid infusion capability are priorities.
See also the IV/IO & blood transfusion supplies and IFAK kits & first aid.
WHO USES THE IVECS — AND WHEN
- Combat medics and Special Operations forces — keeps IV bags at safe temperature in desert and high-heat operating environments (Iraq, Afghanistan, Horn of Africa) where ambient temps routinely exceed 54°C (130°F)
- Forward surgical units and combat support hospitals — staging IV fluids for mass-casualty events in austere environments where powered refrigeration is unavailable
- Wilderness and expedition medicine providers — extended field operations in remote high-heat terrain where cold-chain logistics are not possible
- Vehicle-based EMS and tactical medics — IV bags staged in vehicles or trailers exposed to solar heating; the IVECS prevents fluid temperature from rising to damaging levels during standby
- Heat casualty management — when treating exertional heat stroke or environmental hyperthermia, administering cooled fluids supports cooling goals; hot fluids administered to already-hyperthermic casualties are physiologically counterproductive
IVECS VS. OTHER IV FLUID COOLING METHODS
Evaporative cooling vs. cold packs and powered cooling:
- Cold packs: absorb heat by transferring it from one mass to another — they warm up rapidly and stop working once equilibrium is reached. In a 54°C environment a single cold pack provides only minutes of effective cooling. The IVECS maintains below-maximum temperatures for up to 18 hours.
- Powered fluid warmers/coolers: require electricity and are incompatible with dismounted or vehicle-borne austere operations. The IVECS requires only water and ambient airflow — zero batteries, zero power dependency.
- Improvised insulation (foam, wrapping): slows heating but does not actively cool. In USAMRMC testing, an uninsulated control bag reached ambient 54°C within 2.5 hours. The IVECS bag peaked at 50°C over 13.5 hours — 4°C below the recommended maximum of 52.2°C.
The IVECS is reusable — resoak and redeploy. Single-use cold packs generate expendable waste and supply chain burden in prolonged operations.
FREQUENTLY ASKED QUESTIONS
Q: Can the IVECS be used when there is no wind or airflow?
A: Yes. Airflow improves efficiency but is not required. USAMRMC testing was conducted with zero wind in 54°C/5% humidity conditions, and the IVECS still kept the IV bag below the 52.2°C damage threshold for the full 13.5-hour test duration. Any incidental airflow — movement during transport, vehicle speed, or partial shade — improves performance further.
Q: How does the IVECS double as a pressure infuser?
A: A standard blood pressure cuff can be wrapped around the outside of the fluid-filled IVECS and inflated to provide pressurized infusion when gravity drip rates are inadequate — for example, during rapid fluid resuscitation for hemorrhagic shock or when the IV site is above the level of the bag. This eliminates the need to carry a dedicated pressure infuser bag in austere kits.
Q: What is the NSN for the TacMed IVECS?
A: The TacMed IV Evaporative Cooling System carries NSN 6515-01-530-7024, confirming active procurement through U.S. military supply channels. SKU is MEDTAC0412.
Related searches: IV fluid cooler, evaporative IV cooling, IVECS, pressure infuser pouch, austere IV fluid management.
All products sourced from the actual brand manufacturer or authorized master distributors. CoTCCC recommendation status verified where applicable. Ships from MED-TAC International, Pembroke Pines, FL — clinician-founded, veteran-led, SDVOSB-certified.
Specifications coming soon. Contact us for detailed product information.
FREQUENTLY ASKED QUESTIONS
